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IslandCounty Assessor

Drinking​ Water

T​​he Drinking Water program reviews and coordinates approval of all new Group B public water systems.  In addition, Public Health staff issues the Water Availability Verification (WAV) for all individual, Group B, and Group A water systems for building and sewage permits. 

Click HERE to download related applications and guides.

​Individual Water System​

Individual water systems are private wells serving only one single family residence, or two residences on the same parcel of property. 

Public Water System (Two Party, Group B and Group A)

Any well or water system that serves more than one connection, is considered a public water system.  There are several different types of public water systems. Group B water systems serve fewer than 15 connections and fewer than 25 people per day.  Group A water systems serve 15 or more connections, or 25 or more people per day for 60 or more days per year. 

The Island County Drinking Water program focuses resources on the water systems of highest public health benefit by investigating and recommending corrective action for drinking water contamination and complaints.  Public Health staff emphasize prevention of contamination through source protection and technical assistance to public water systems.​

Island County

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Main Offices

Whidbey Office
1 NE 7th Street
Coupeville, WA 98239

Camano Office
121 N East Camano Dr
Camano Island, WA 98282

Helpful Numbers

Main Line: (360) 678-5111
Sheriff: (360) 679-7310

Juror Recordings
Superior Court: (800) 254-2755
District Court: (800) 946-9765

Island County Directory